Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 402 [Rate centres in NPA 402] [Dial plan for NPA 402]

NXX: 539

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-539 A Octavia NE OCTVNEXLRP0  1568 WINDSTREAM NEBRASKA, INC. 958      
402-539 0 Octavia NE   624H ONVOY SPECTRUM, LLC 958   2024-03-11   
402-539 2 Octavia NE   1568 WINDSTREAM NEBRASKA, INC. 958      
402-539 3 Octavia NE   1568 WINDSTREAM NEBRASKA, INC. 958      
402-539 4 Octavia NE   549E ONVOY, LLC - NE 958   2021-03-19   
402-539 5 Octavia NE   549E ONVOY, LLC - NE 958   2019-04-18   
402-539 6 Octavia NE   549E ONVOY, LLC - NE 958   2021-03-19   
402-539 7 Octavia NE   508J CENTURYLINK COMMUNICATIONS, LLC 958   2014-07-25   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.